Himpunan penyelesaian dari x2 − 6x + 9=0​

x² − 6x + 9 = 0

x = -b ±√b² – 4ac/2a

x = -(-6) ±√(-6)² – 4(1)(9)/2(1)

x = 6 ±√36 – 36/2

x = 6 ± 0/2

x = 6 + 0/2

x = 6/2

x = 3

Penjelasan dengan langkah-langkah:

x² – 6x + 9 = 0

x = -b ±√b² – 4ac/2a

x = -(-6) ±√(-6)² – 4(1)(9)/2(1)

x = 6 ±√36 – 36/2

x = 6 ± 0/2

x = 6 + 0/2

x = 6/2

x = 3

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Mapel : Matematika

Kelas : 9

Materi : persamaan kuadrat

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